mean的形容词mean作“有意义的；有意思的”时候形容词是什么?meanful?还是meaningful?事实上有没有

meaningful
adj.
意味深长的,很有意义的,有意图的,有目的的
meaningful training
针对性训练
a meaningful experience
有意义的经验
meaningful advice
语重心长的忠告
a meaningful decision
一个富有意义的决定